This middle content section should load normally. The body text should not blink or fade.
Resize the window slowly and quickly. The top V shape should not redraw or wiggle.
This normal content section tests whether spacing after the gold top banner is stable.
If the transition above is clean, the bottom banner is ready to contract with later sections.
Final content check. There should be no left/right scrolling, no seam, and no title drifting.